Harry Partch discusses receiving notariety using a scale of 43 separate tones and original instruments with references to his "Genesis of a Music." There is a brief introduction to "Twelve Intrusions," this recording which is played by five musicians under Partch's direction. The pieces are: Study in an Ancient Phrygian Scale, Study in the Ancient Greek Enharmonic Scale, The Rose, The Crane, The Wind, The Waterfall, The Letter, The Street, Vanity, Lover, Soldiers/War/Another War, and Chamber Music. Plectra & Percussion Dances is the final piece and includes three sections: Castor and Pollux, Ring Around the Moon, and Even Wild Horses.
Performed by Gate Five Ensemble and conducted by Horace Schwartz. 1956 first broadcast over KPFA.